Each pack contains the following. 900 x 600mm 17 pieces.600 x 600mm 17 pieces. 600 x 290mm 17 pieces. 290 x 290mm 10 pieces. Stones have little variation in colour, being simply light greys and light blues. For any further info please ring 07 391 061 377 as we can customise size of packs and plenty of others available.